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PPL
2008
88views more  PPL 2008»
13 years 10 months ago
Evaluating Computational Costs while Handling Data and Control Parallelism
The aim of this work is to introduce a computational costs system associated to a semantic framework for orthogonal data and control parallelism handling. In such a framework a pa...
Sonia Campa
ER
2010
Springer
168views Database» more  ER 2010»
13 years 9 months ago
Complexity of Reasoning over Temporal Data Models
Abstract. We investigate the computational complexity of reasoning over temporal extensions of conceptual data models. The temporal conceptual models we analyse include the standar...
Alessandro Artale, Roman Kontchakov, Vladislav Ryz...
DGCI
2009
Springer
14 years 5 months ago
Multivariate Watershed Segmentation of Compositional Data
Abstract. Watershed segmentation of spectral images is typically achieved by first transforming the high-dimensional input data into a scalar boundary indicator map which is used ...
Michael Hanselmann, Ullrich Köthe, Bernhard Y...
EUROCAST
2009
Springer
143views Hardware» more  EUROCAST 2009»
14 years 5 months ago
Fitting Rectangular Signals to Time Series Data by Metaheuristic Algorithms
Abstract. In this work we consider the application of metaheuristic algorithms to the problem of fitting rectangular signals to time-data series. The application background is to ...
Andreas M. Chwatal, Günther R. Raidl
COCOON
2005
Springer
14 years 4 months ago
Opportunistic Data Structures for Range Queries
Abstract In this paper, we study the problem of supporting range sum queries on a compressed sequence of values. For a sequence of n k-bit integers, k ≤ O(log n), our data struct...
Chung Keung Poon, Wai Keung Yiu